The Twin Cities Metropolitan Area 1990 Travel Behavior Inventory (Home Interview Survey) was intended to document how Twin Cities residents use the streets, highways, and transit services in the region. Respondents were asked to record their travel and activities for a 24-hour period. They were also asked for detailed information regarding their trips, including mode of transportation, trip purpose, departure and arrival times, and number of passengers. Demographic variables include gender, age,... (more info)

The Twin Cities Metropolitan Area 1990 Travel Behavior Inventory (Home Interview Survey) was intended to document how Twin Cities residents use the streets, highways, and transit services in the region. Respondents were asked to record their travel and activities for a 24-hour period. They were also asked for detailed information regarding their trips, including mode of transportation, trip purpose, departure and arrival times, and number of passengers. Demographic variables include gender, age, employment status, household size, number of children under five years old in the household, whether household members were students on their given travel day, household income, and whether respondents had a valid drivers license at the time of the survey.

The 1990 Travel Behavior Inventory is a collection of surveys administered in the Twin Cities area. The Home Interview Survey is one key part of this larger collection of surveys. The other surveys in the 1990 Travel Behavior Inventory have not been deposited with ICPSR, and are therefore not available through ICPSR.

Methodology

Study Purpose:
This study was intended to provide information about travel in the Twin Cities region, in order to improve the transportation planning process in the region. For more information regarding the purpose of the study, please refer to the Original P.I. Documentation section of the ICPSR codebook.

Study Design:
For information regarding the study design, please refer to the Original P.I. Documentation section of the ICPSR codebook.

Sample:
For information regarding sampling for this survey, please refer to the Original P.I. Documentation section of the ICPSR codebook.

Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of
disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major
statistical software formats as well as standard codebooks to accompany the data. In addition to
these procedures, ICPSR performed the following processing steps for this data collection: